Post-market briefing
Monday, August 17, 2026
What moved in a real portfolio, and why. This is an actual Holdings Daily briefing as delivered, not a summary of one. Every claim links to the article it came from, and the email is blocked from sending if it does not: how we source.
A demo portfolio of widely-held names, briefed on the real schedule. Not a subscriber's holdings.
Portfolio Snapshot
Equities
| Ticker | Price | Day % | YTD % | 52W Range Pos | ||
|---|---|---|---|---|---|---|
| CRDO | $282.82 | +8.82% | +96.55% | 88% | ||
| MSFT | $480.35 | -3.04% | -0.68% | 64% | ||
| IONQ | $46.84 | +1.25% | +4.39% | 36% | ||
| JPM | $360.96 | -0.52% | +12.02% | 94% | ||
| AMZN | $261.31 | -0.51% | +13.21% | 72% | ||
| AAPL | $305.59 | -0.11% | +12.41% | 68% | ||
| NVDA | $225.01 | -0.07% | +20.65% | 84% |
Watchlist
| Ticker | Price | Day % | YTD % | 52W Range Pos | ||
|---|---|---|---|---|---|---|
| MRVL | $234.33 | +5.54% | +175.75% | 64% | ||
| ARM | $271.43 | -2.87% | +148.31% | 49% |
Market Overview
| Index | Price | Day % | YTD % |
|---|---|---|---|
| S&P 500 (SPY) | $772.66 | -0.47% | +13.31% |
| Nasdaq-100 (QQQ) | $729.87 | -0.16% | +18.81% |
| Dow Jones (DIA) | $534.22 | -0.48% | +11.16% |
Holdings Breakdown
IONQ closed at $46.84, up 1.25% on the session. Today's session saw broader quantum computing sentiment drive activity, with the Defiance Quantum ETF highlighted as a vehicle holding IonQ alongside roughly 80-90 names across the ecosystem. The fund blends pure-play quantum names with established tech companies embedding quantum and AI capabilities, meaning IonQ's weighting reflects its position as one of the sector's few public pure-plays rather than diversified revenue. Near-term commercial revenue across the quantum cohort continues to derive primarily from AI infrastructure and security tools rather than quantum hardware itself.
AAPL closed at $305.59, down 0.11% on the session. The Trump Administration signaled opposition to Apple sourcing memory chips from China, preferring domestic U.S. manufacturers or allied-country suppliers such as South Korea's SK Hynix and Micron. The policy stance raises the prospect of a mandated supply-chain restructuring for Apple's memory procurement, adding cost and logistical complexity to a hardware business already navigating tariff pressures.
AMZN closed at $261.31, down 0.51% on the session. Stanley Druckenmiller's Duquesne Family Office more than 11x'd its Amazon position in Q2 2026, elevating the stock to a top-10 holding while simultaneously cutting Micron and Intel. The rotation out of semiconductor names and into Amazon reflects a view that AWS-driven AI infrastructure spending represents the more durable growth opportunity compared with chip suppliers whose rallies may have run ahead of fundamentals.
MSFT closed at $480.35, down 3.04% on the session. The session's pullback came as broader AI infrastructure attention shifted toward suppliers rather than platforms, with IREN securing contracts worth over $15 billion with Microsoft and others to provide data center capacity. That deal flow underscores Microsoft's ongoing capital commitment to external AI infrastructure partnerships as it scales compute capacity across its cloud and AI product lines.
NVDA closed at $225.01, down 0.07% on the session. SpaceX has committed to using Nvidia chips exclusively for its AI buildout, citing the Vera Rubin architecture as its preferred platform, with the company directing the vast majority of its capital expenditure toward AI infrastructure last quarter. SpaceX's AI revenue tripled in that same period, suggesting the segment's spending trajectory is still accelerating even as it operates at a loss. IREN, a data center operator rebranded from a Bitcoin miner, has separately secured contracts exceeding $15 billion with Nvidia and Microsoft, adding another downstream channel through which Nvidia's hardware demand is being anchored by long-term commitments.
Also moved: CRDO +8.82%, JPM -0.52%.
Watchlist
MRVL closed at $234.33, up 5.54% on the session. Today's surge came ahead of Q2 earnings expected after the close, with Wall Street consensus centered on roughly $2.71B in revenue for the quarter. UBS maintained its Buy rating this morning but trimmed its price target to $300 from $340, analyst Timothy Arcuri citing the revision without abandoning the bullish thesis.
Also moved: ARM -2.87%.
Bottom Line
Monday's session left the portfolio mixed, with MSFT pulling back -3.04% on company news leading the pressure while IONQ bucked the trend, adding +1.25% on its own news; AMZN and AAPL each edged lower but held relatively contained ground.
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This briefing covers a demo portfolio. Yours would cover the things you actually own: every position priced and sorted by the size of its move, the ones that mattered explained, every claim linked to its source.
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